Which WordPress function returns difference between two timestamps in a human readable format ("1 day", "10 mins"...)?

Default WordPress automatically saves the state of your post every 60 seconds while you work on a post. How do you change this default time interval?

Which protocol is used in WordPress to represent human relationships through hyperlinks?

When constructing a URL with query parameters (?test=1, for example), what is the correct expression to add the query parameters to the URL?

The action hook to save post meta on is called:

How does one add a cron schedule recurrence?

Which of the following are used to create 'The WordPress Loop' that displays posts on a page?

NONCE is a number used ONCE to verify an action. Because it cannot be used again, it provides some security.

What is used to get values from custom fields

WordPress stores your uploads by default following which folder structure?

You can create a custom post type: